Instruction 10-4
to Test the Effectiveness of a Business School

question 98

Short Answer

Instruction 10-4
To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. The results are given below.
$$\begin{array} { c c c } \text { Student } & \begin{array} { c } \text { Exam Score } \\\text { Before Course }\end{array} & \begin{array} { c } \text { Exam Score } \\\text { After Course (2) }\end{array} \\& ( 1 ) & \\ 1 & 530 & 670 \\ 2 & 650 & 770 \\3 & 910 & 1,000 \\4 & 700 & 710 \\5 & 450 & 550 \\6 & 820 & 870 \\7 & 820 & 770 \\8 & 630 & 610\end{array}$$
-Referring to Instruction 10-4,the calculated value of the test statistic is __________.

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Definitions:

Net Income

The profit or loss of a company after all revenues, expenses, taxes, and costs have been subtracted from total revenue.

Income Tax Expense

The total amount of income tax that a company is obligated to pay to federal, state, and local tax authorities.

Earnings Per Share

A financial metric calculated by dividing the net earnings available to common shareholders by the average outstanding shares.

Stockholders' Equity

The residual interest in the assets of a corporation after deducting liabilities, representing the ownership stake of shareholders.